Recent papers from astro-ph and other sources (April 2011)

The following pre-prints are chosen as they relate to the material in the textbook Atomic Astrophysics and Spectroscopy (AAS), Anil K. Pradhan and Sultana N. Nahar (Cambridge University Press 2011).

Monte Carlo Radiative Transfer , Authors: Barbara A. Whitney

Comment on "Two-photon approximation in the theory of electron recombination in hydrogen" (D. Solovyev and L. Labzowsky, Phys. Rev. A 81, 062509 (2010)) , Authors: S. G. Karshenboim, V. G. Ivanov, J. Chluba

Effect of incoming radiation on the non-LTE spectrum of Xe at Te = 100 eV , Authors: Marcel Klapisch, Michel Busquet

Enhanced [CII] emission in a z=4.76 submillimetre galaxy , Authors: Carlos De Breuck (ESO), Roberto Maiolino (INAF - OA Roma), Paola Caselli (Leeds), Kristen Coppin (McGill), Steve Hailey-Dunsheath (MPE), Tohru Nagao

Study of LINER sources with broad H(alpha) emission. X-ray properties and comparision to luminous AGN and X-ray binaries , Authors: G. Younes (1), D. Porquet (1), B. Sabra (2), J.N. Reeves

Emission Lines from the Gas Disk around TW Hydra and the Origin of the Inner Hole , Authors: Uma Gorti, David Hollenbach, Joan Najita, Ilaria Pascucci

Massive Young Stellar Objects in the Galactic Center. I. Spectroscopic Identification from Spitzer/IRS Observations , Authors: Deokkeun An, Solange V. Ramíz, Kris Sellgren, Richard G. Arendt, A. C. Adwin Boogert, Thomas P. Robitaille, Mathias Schultheis, Angela S. Cotera, Howard A. Smith, Susan R. Stolovy

Chandra X-ray spectroscopy of the very early O supergiant HD 93129A: constraints on wind shocks and the mass-loss rate , Authors: David H. Cohen (1), Marc Gagné2), Maurice A. Leutenegger (3,4), James P. MacArthur (1), Emma E. Wollman (1,5), Jon O. Sundqvist (6), Alex W. Fullerton (7), Stanley P. Owocki

The N II Lines in Eta Carinae: A Further Evidence for Mass Transfer During the Nineteenth Century Great Eruption , Authors: Amit Kashi, Noam Soker

K-shell Emission of Neutral Iron Line from Sgr B2 Excited by Subrelativistic Protons , Authors: Vladimir Dogiel, Dmitrii Chernyshov, Katsuji Koyama, Masayoshi Nobukawa, Kwong-Sang Cheng

Non-LTE line formation for Fe I and Fe II in the atmospheres of A-F type stars , Authors: L. Mashonkina

Quiet-Sun imaging asymmetries in NaI D1 compared with other strong Fraunhofer lines , Authors: R.J. Rutten, J. Leenaarts, L.H.M. Rouppe van der Voort, A.G. de Wijn, M. Carlsson, V. Hansteen

Constraints on the Universal CIV Mass Density at z~6 from Early IR Spectra Obtained with the Magellan FIRE Spectrograph , Authors: Robert A. Simcoe, Kathy L. Cooksey, Michael E. Matejek, Adam J. Burgasser, John Bochanski, Elizabeth Lovegrove, Rebecca A. Bernstein, Judith L. Pipher, William J. Forrest, Craig McMurtry, Xiaohui Fan, John O'Meara

Properties of the ionized gas of circumnuclear star-forming regions in early type spirals , Authors: Angeles I. Diaz (1), Guillermo F. Hagele (1), Elena Terlevich

A photoionization model of the spatial distribution of the optical and mid-IR properties in NGC595 , Authors: Enrique Perez-Montero, Monica Relano, Jose M. Vilchez, Ana Monreal-Ibero

Analyzing derived metallicities and ionization parameters from model-based determinations in ionized gaseous nebulae , Authors: O.L. Dors Jr, Angela Krabbe, Guillermo F. Hagele, Enrique Perez-Montero

Abundance determination of multiple star-forming regions in the HII galaxy SDSS J165712.75+321141.4 , Authors: Guillermo F. Hagele, Ruben Garcia-Benito, Enrique Perez-Montero, Angeles I. Diaz, Monica V. Cardaci, Veronica Firpo, Elena Terlevich,

The underlying stellar absorption contribution to the primordial helium abundance determination , Authors: F. F. Rosales-Ortega, R. Terlevich, E. Bertone, M. Chavez

The Coronal Physics Investigator (CPI) Experiment for ISS: A New Vision for Understanding Solar Wind Acceleration , Authors: J. L. Kohl, S. R. Cranmer, J. C. Raymond, T. J. Norton, P. J. Cucchiaro, D. B. Reisenfeld, P. H. Janzen, B. D. G. Chandran, T. G. Forbes, P. A. Isenberg, A. V. Panasyuk, A. A. van Ballegooijen

XMM-Newton observations of the young open cluster around lambda Orionis Authors: E. Franciosini, G.G. Sacco

The chemical composition of the Orion star-forming region. III. C, N, Ne, Mg and Fe abundances in B-type stars revisited , Authors: Maria-Fernanda Nieva, Sergio Simon-Diaz

Solar irradiance variability: A six-year comparison between SORCE observations and the SATIRE model , Authors: Will T. Ball, Yvonne C. Unruh, Natalie A. Krivova, Sami Solanki, Jerald W. Harder

Swift observations of black hole candidate XTE J1752-223 during outburst , Authors: P.A. Curran (1), P. Casella (2), T.J. Maccarone (2), P.A. Evans (3), W. Landsman (4), H.A. Krimm (4), C. Brocksopp (5), M. Still (6) ((1) CEA-Saclay, (2) U Southampton, (3) U Leicester, (4) NASA/GSFC, (5) UCL-MSSL, (6) NASA/Ames)

Supernovae type Ia: non-standard candles of the Universe , Authors: A. I. Bogomazov, A. V. Tutukov

The NLTE Barium Abundance in Dwarf Stars in the Metallicity Range of -1 < [Fe/H] < +0.3 , Authors: S. Korotin, T. Mishenina, T. Gorbaneva, C. Soubiran

Beryllium abundances in stars with planets:Extending the sample , Authors: M.C. Gálvez-Ortiz, E. Delgado-Mena, J.I. González Hernández, G. Israelian, N.C. Santos, R. Rebolo, A. Ecuvillon

NLTE strontium abundance in a sample of extremely metal poor stars and the Sr/Ba ratio in the early Galaxy , Authors: S.M. Andrievsky, F. Spite, S.A. Korotin, P. Francois, M. Spite, P. Bonifacio, R. Cayrel, V. Hill

Oxygen- and carbon-rich variable red giant populations in the Magellanic Clouds from EROS, OGLE, MACHO, and 2MASS photometry , Authors: M. Wisniewski, J.B. Marquette, J.P. Beaulieu, A. Schwarzenberg-Czerny, P. Tisserand, E. Lesquoy

An XMM-Newton view of the `bare' nucleus of Fairall 9 , Authors: D. Emmanoulopoulos, I. E. Papadakis, I. M. McHardy, F. Nicastro, S. Bianchi, P. Arevalo

Broadband Transmission Spectroscopy of the super-Earth GJ 1214b suggests a Low Mean Molecular Weight Atmosphere , Authors: Bryce Croll (University of Toronto), Loic Albert (UdeM), Ray Jayawardhana (UofT), Eliza Miller-Ricci Kempton (UCSC), Jonathan J. Fortney (UCSC), Norman Murray (CITA), Hilding Neilson (AIfA)

The metal contents of two groups of galaxies , Authors: Y. G. Grange (1), J. de Plaa (1), J. S. Kaastra (1 and 2), N. Werner (3), F. Verbunt (2 and 1), F. Paerels (4), C. P. de Vries

An extended XMM-Newton observation of the Seyfert galaxy NGC 4051. II. Soft X-ray emission from a limb-brightened shell of post-shock gas . Authors: K.A.Pounds, S.Vaughan

Solar Models with Revised Abundance , Authors: Shaolan Bi, Tanda Li, Linghuai Li, Wuming Yang

Near-infrared spectroscopy of five Blue Compact Dwarf galaxies: II Zw 40, Mrk 71, Mrk 930, Mrk 996 and SBS 0335-052E , Authors: Y. I. Izotov (1), T. X. Thuan (2)

Ground-based NIR emission spectroscopy of HD189733b , Authors: I.P. Waldmann, P. Drossart, G. Tinetti, C. A. Griffith, M. R. Swain, P. Deroo

X-ray Spectroscopy of MXB 1728-34 with XMM-Newton , Authors: Elise Egron (1), Tiziana Di Salvo (2), Luciano Burderi (1), Alessandro Papitto (1), Laura Barragán (3), Thomas Dauser (3), Joern Wilms (3), Antonino D'Aì (2), Alessandro Riggio (1 and 4), Rosario Iaria (2), Natale Renato Robba

High Resolution Optical Spectra of HBC 722 after Outburst , Authors: Jeong-Eun Lee, Wonseok Kang, Sang-Gak Lee, Hyun-Il Sung, Byeong-Cheol Lee, Hwankyung Sung, Joel D. Green, Young-Beom Jeon

Ionization of the diffuse gas in galaxies: Hot low-mass evolved stars at work , Authors: Nahiely Flores-Fajardo, Christophe Morisset, Grazyna Stasinska, Luc Binette

A Spectroscopic and Photometric Survey of Novae in M31 , Authors: A. W. Shafter, M. J. Darnley, K. Hornoch, A. V. Filippenko, M. F. Bode, R. Ciardullo, K. A. Misselt, R. A. Hounsell, R. Chornock, T. Matheson

X-ray warm absorption and emission in the polar scattered Seyfert 1 galaxy MRK 704 , Authors: Sibasish Laha, Gulab.C.Dewangan, Ajit.K.Kembhavi

Highly Excited Core Resonances in Photoionization of Fe XVII: Implications for Plasma Opacities , Authors: Sultana N. Nahar (1), Anil K. Pradhan (1), Guo-Xin Chen (2), Werner Eissner (3) (1) The Ohio State University, (2) ITAMP, Harvard-Smithsonian Center for Astrophysics, (3) Institut fur Theoretische Physik, Stuttgart (Germany)

Low Energy Fine Structure Resonances in Photoionization of O II , Sultana N. Nahar, Maximiliano Montenegro, Werner Eissner, Anil K. Pradhan

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Revised: March 31, 2011